One Planet, Two Stars, With Laurance Doyle

Multidisciplinary scientist Laurance Doyle led the team that has announced discovery of the first extrasolar planet circling two stars. He also talks about his plan to analyze communication by and among other species. Emily Lakdawalla recounts her exciting experience at a nighttime rocket launch. Bill Nye spent time last week with students and skeptics. Bruce Betts and Mat Kaplan present the current night sky and a new space trivia contest.